Back to EveryPatent.com
United States Patent | 6,144,676 |
Hamalainen ,   et al. | November 7, 2000 |
A method and a system for expanding the capacity for transmission of information in a data frame which comprises at least an information element and a control element. After the data frame is subjected to channel coding, a portion of the control element is either removed or replaced by a divided portion of the information to be transmitted in the data frame.
Inventors: | Hamalainen; Jari (Tampere, FI); Jokinen; Harri (Hiisi, FI); Jyrkka; Kari (Oulu, FI) |
Assignee: | Nokia Mobile Phones Ltd. (Espoo, FI) |
Appl. No.: | 800575 |
Filed: | February 18, 1997 |
Feb 19, 1996[FI] | 960752 |
Current U.S. Class: | 370/528; 375/242; 714/790 |
Intern'l Class: | H04J 003/12; H04B 014/04; H03M 013/03 |
Field of Search: | 370/527,528,529,472,476 375/242,262,265,341 371/21,30,31,37.01,37.2,37.7,38.1,34.1,43.1,44,45,43.2,43.4 714/3,6,761,762,776,779,780,752,781,786,787,788,790,320,325,375 |
5119375 | Jun., 1992 | Paneth et al. | 370/95. |
5257257 | Oct., 1993 | Chen et al. | 370/18. |
5349589 | Sep., 1994 | Chennakeshu et al. | 714/790. |
5384782 | Jan., 1995 | Elms | 370/529. |
5408502 | Apr., 1995 | How | 375/340. |
5416787 | May., 1995 | Kodama et al. | 371/43. |
5436918 | Jul., 1995 | Kato et al. | 371/43. |
5438590 | Aug., 1995 | Tzukerman et al. | 375/259. |
5502721 | Mar., 1996 | Pohjakallio | 370/346. |
5668820 | Sep., 1997 | Ramesh et al. | 714/790. |
5691992 | Nov., 1997 | Molnar et al. | 371/37. |
5721732 | Feb., 1998 | Emeott et al. | 370/528. |
5844922 | Dec., 1998 | Wolf et al. | 714/790. |
Foreign Patent Documents | |||
0 535 812 | Apr., 1993 | EP. | |
0 624 019 | Nov., 1994 | EP. | |
0 643 510 | Mar., 1995 | EP. |
"New Rate-Compatible Punctured Convolutional Codes for Viterbi Decoding", L.H.C. Lee IEEE Transactions on Communications, vol. 42, No. 12, Dec. 1994, N.Y. |